Adapt names (curves -> groups)

Signed-off-by: Przemek Stekiel <przemyslaw.stekiel@mobica.com>
diff --git a/tests/opt-testcases/tls13-kex-modes.sh b/tests/opt-testcases/tls13-kex-modes.sh
index 05323d3..758da1d 100755
--- a/tests/opt-testcases/tls13-kex-modes.sh
+++ b/tests/opt-testcases/tls13-kex-modes.sh
@@ -1537,7 +1537,7 @@
 requires_openssl_tls1_3_with_compatible_ephemeral
 requires_config_enabled MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED
 run_test "TLS 1.3 O->m: psk_ephemeral group(secp256r1->secp384r1) check, good" \
-         "$P_SRV tls13_kex_modes=psk_ephemeral debug_level=5 psk_list=Client_identity,6162636465666768696a6b6c6d6e6f70,abc,dead,def,beef curves=secp384r1" \
+         "$P_SRV tls13_kex_modes=psk_ephemeral debug_level=5 psk_list=Client_identity,6162636465666768696a6b6c6d6e6f70,abc,dead,def,beef groups=secp384r1" \
          "$O_NEXT_CLI_NO_CERT -tls1_3 -msg -allow_no_dhe_kex -psk_identity Client_identity -psk 6162636465666768696a6b6c6d6e6f70 -groups P-256:P-384" \
          0 \
          -s "write selected_group: secp384r1" \
@@ -1553,7 +1553,7 @@
 requires_config_enabled MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED
 requires_config_enabled PSA_WANT_ALG_ECDH
 run_test "TLS 1.3 G->m: psk_ephemeral group(secp256r1->secp384r1) check, good" \
-         "$P_SRV tls13_kex_modes=psk_ephemeral debug_level=5 psk_list=Client_identity,6162636465666768696a6b6c6d6e6f70,abc,dead,def,beef curves=secp384r1" \
+         "$P_SRV tls13_kex_modes=psk_ephemeral debug_level=5 psk_list=Client_identity,6162636465666768696a6b6c6d6e6f70,abc,dead,def,beef groups=secp384r1" \
          "$G_NEXT_CLI_NO_CERT --debug=4 --single-key-share --priority NORMAL:-VERS-ALL:-KX-ALL:+ECDHE-PSK:+DHE-PSK:+PSK:+VERS-TLS1.3:-GROUP-ALL:+GROUP-SECP256R1:+GROUP-SECP384R1 --pskusername Client_identity --pskkey 6162636465666768696a6b6c6d6e6f70 localhost" \
          0 \
          -s "write selected_group: secp384r1" \